On March 10, 1977, astronomers discovered rings around Uranus! Astronomers had long suspected that Uranus has rings, but the actual discovery happened by accident. A team of three astronomers was using NASA's Kuiper Airborne Observatory to observe the atmosphere of Uranus. They did this during a stellar occultation, which means that a background star was passing behind the planet. Seeing how the light from that star changes when it passed through the atmosphere could yield clues about the composition of Uranus. To their surprise, the star began to flicker before it was even eclipsed by Uranus. The star disappeared and reappeared five times as it passed behind the rings. At first they believed that Uranus had five rings, but more observations have revealed that it actually has 13 rings.

Uranus and Its 27 Moons

Taking a trip to Uranus offers more to see than just the planet. You could pick one of its 27 moons or take a look at its 13 rings.
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The Uranus Collisions and Saving Mars from Disaster

An exploration of the future collisions of the moons of Uranus and possibility that Phobos may someday slam into Mars.
https://www.patreon.com/johnmichaelgodier
Papers:
"Weighing Uranus' moon Cressida with the η ring", Chancia et al, 2017
https://arxiv.org/abs/1708.07566
Music
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Getting to Know Uranus

Uranus seems like a mystery to you? That's not surprising! The planet appears as a quiet and still ice giant, but there is more going on than meets the eye.
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10 Places in the Solar System Where Alien Life is Possible

An exploration of the other bodies in the solar system other than earth that might be habitable for some forms of alien life.
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Light Awash by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)
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Planet Uranus

My first capture of Planet Uranus tonight! So excited!
Adding to my collection of Venus, Mars, Jupiter, Saturn...
It's not a very clear video, because it's far away:
Distance from Earth:
2.829 Billion Kilometers / 1.758 Billion Miles!
From NASA:
"The seventh planet from the sun with the third largest diameter in our solar system, Uranus is very cold and windy. The ice giant is surrounded by 13 faint rings and 27 small moons as it rotates at a nearly 90-degree angle from the plane of its orbit. This unique tilt makes Uranus appear to spin on its side, orbiting the sun like a rolling ball.
The first planet found with the aid of a telescope, Uranus was discovered in 1781 by astronomer William Herschel, although he originally thought it was either a comet or a star. It was two years later that the object was universally accepted as a new planet, in part because of observations by astronomer Johann Elert Bode."
Learn more ➡️ https://solarsystem.nasa.gov/planets/uranus

Scientists Recreate 'Diamond Rain' Thought to Fall on Ice Planets

According to a new study published in Nature Astronomy, scientists simulated "diamond rain" that's thought to fall on planets like Neptune and Uranus.

Extraterrestrial Superstorms | Space Time

Earth has its share of monster storms, but even our most powerful hurricanes are a breeze compared to the great, planet-sized tempests of the gas giants. LegalZoom is not a law firm or a substitute for the advice of an attorney. Get 15% off your next purchase at https://www.legalzoom.com/spacetime. ...
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Previous Episode:
The One-Electron Universe
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The great vortices of the Jovian planets are true storms, analogous in many ways to Earth’s hurricanes. There are, of course, some differences. For example, these storms are as big as entire planets. The largest and oldest storm in the solar system is Jupiter’s Great Red Spot, stretching an incredible two to three times the diameter of the planet Earth. Meanwhile the fastest winds ever measured, clocking fifteen hundred miles per hour, once raged in Neptune’s Great Dark Spot. Saturn’s Polar Vortex is a 20,000-mile-wide monster shaped like a hexagon. Even plain-looking Uranus hides USA-sized hurricanes below its methane haze. There are many unsolved mysteries surrounding these epic storms. We may be close to finding some answers, following the Juno spacecraft’s recent flyby of Jupiter’s Great Red Spot.
Juno's interactive website: https://www.missionjuno.swri.edu/
Written by Alexandra Yep and Matt O’Dowd
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Voyager - Uranus

After Voyager 2's successful Saturn encounter, it was shown that Voyager 2 would likely be able to fly on to Uranus with all instruments operating. NASA provided additional funding to continue operating the two spacecraft and authorized JPL to conduct a Uranus flyby. Subsequently, NASA also authorized the Neptune leg of the mission, which was renamed the Voyager Neptune Interstellar Mission. Voyager 2 encountered Uranus on January 24, 1986, returning detailed photos and other data on the planet, its moons, magnetic field and dark rings. Voyager 1, meanwhile, continues to press outward, conducting studies of interplanetary space. Eventually, its instruments may be the first of any spacecraft to sense the heliopause -- the boundary between the end of the Sun's magnetic influence and the beginning of interstellar space.

Miranda. Moon of uranus

Miranda. Mond des Uranus

Is It Time To Go Back to Uranus and Neptune? Revisiting Ice Giants of the Solar System

We’ve only seen Uranus and Neptune one time up close. There are now some mission ideas in the works that might take us back.
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I look forward to all the future missions that NASA is going to be sending out in the Solar System. Here, check this out. You can use NASA’s website to show you all the future missions. Here’s everything planned for the future, here’s everything going to Mars.
Now, let’s look and see what missions are planned for the outer planets of the Solar System, especially Uranus and Neptune. Oh, that’s so sad… there’s nothing.
It’s been decades since humanity had an up close look at Uranus and Neptune. For Uranus, it was Voyager 2, which swept through the system in 1986. We got just a few tantalizing photographs of the ice giant planet and it’s moons. What’s that? What’s going on there? What are those strange features? Sorry, insufficient data.
And then Voyager 2 did the same, zipping past Neptune in 1989. Check that out, and that, and this. What’s going here on Triton? Wouldn’t you like to know more? Well, too bad! You can’t it’s done, that’s all you get.
Don’t get me wrong, I’m glad we’ve studied all these other worlds. I’m glad we’ve had orbiters at Mercury, Venus, everything at Mars, Jupiter, and especially Saturn. We’ve seen Ceres and Vesta, and the Moon up close. We even got a flyby of Pluto and Charon.
It’s time to go back to Uranus and Neptune, this time to stay.
And I’m not the only one who feels this way.
Scientists at NASA recently published a report called the Ice Giant Mission Study, and it’s all about various missions that could be sent to explore Uranus, Neptune and their fascinating moons.
The team of scientists who worked on the study considered a range of potential missions to the ice giants, and in the end settled on four potential missions; three that could go to Uranus, and one headed for Neptune. Each of them would cost roughly $2 billion.
Uranus is closer, easier to get to, and the obvious first destination of a targeted mission. For Uranus, NASA considered three probes.
The first idea is a flyby mission, which will sweep past Uranus gathering as much science as it can. This is what Voyager 2 did, and more recently what NASA’s New Horizons did at Pluto. In addition, it would have a separate probe, like the Cassini and Galileo missions, that would detach and go into the atmosphere to sample the composition below the cloudtops. The mission would be heavy and require an Atlas V rocket with the same configuration that sent Curiosity to Mars. The flight time would take 10 years.
The main science goal of this mission would be to study the composition of Uranus. It would make some other measurements of the system as it passed through, but it would just be a glimpse. Better than Voyager, but nothing like Cassini’s decade plus observations of Saturn.
I like where this is going, but I’m going to hold out for something better.
The next idea is an orbiter. Now we’re talking! It would have all the same instruments as the flyby and the detachable probe. But because it would be an orbiter, it would require much more propellant. It would have triple the launch mass of the flyby mission, which means a heavier Atlas V rocket. And a slightly longer flight time; 12 years instead of 10 for the flyby.
Because it would remain at Uranus for at least 3 years, it would be able to do an extensive analysis of the planet and its rings and moons. But because of the atmospheric probe, it wouldn’t have enough mass for more instruments. It would have more time at Uranus, but not a much better set of tools to study it with.
Okay, let’s keep going. The next idea is an orbiter, but without the detachable probe. Instead, it’ll have the full suite of 15 scientific instruments, to study Uranus from every angle. We’re talking visible, doppler, infrared, ultraviolet, thermal, dust, and a fancy wide angle camera to give us those sweet planetary pictures we like to see.
Study Uranus? Yes please. But while we’re at it, let’s also sent a spacecraft to Neptune.
As part of the Ice Giants Study, the researchers looked at what kind of missions would be possible. In this case, they settled on a single recommended mission. A huge orbiter with an additional atmospheric probe. This mission would be almost twice as massive as the heaviest Uranus mission, so it would need a Delta IV Heavy rocket to even get out to Neptune.

NEPTUNE & URANUS - A Traveler's Guide to the Planets | Full Documentary

Got time for a 24 year vacation? Then consider a journey to our most distant planets, the ice giants Uranus and Neptune.
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EP6- 1.8 billion miles away, you can find the mysteriously ugly moon, Miranda. But what would it be like to stand on the surface of Miranda?
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Script - Around 1.8 billion miles away, in the cold dark regions of the solar system you can find the tilted ice giant, Uranus. But in the darkness of this mighty planet lurks a mysteriously ugly moon known as Miranda. Miranda is one of 27 strange moons that are apart of the Uranian system and is the innermost, but smallest of the five round satellites. But what makes this moon so interesting is that it has a surface unlike any other moon that's been seen so far. So what would it be like to stand on the deformed surface of, Miranda. Voyager 2 is the only spacecraft to visit the Uranian system so far, which means Uranus and its moons still hold many mysteries that are waiting to be discovered. But if a team of astronauts traveled to Uranus, Miranda would definitely be a great starting point, as it's surface is ideal for exploration. Miranda's surface is mostly made up of water ice, that is cross crossed by huge canyons. Depending on where the brave exploring humans landed, they might see the Verona Rupes, the largest known cliff in the solar system, which is over 3 miles high (5km). Or maybe the giant 120 mile (200km) wide, racetrack like grooved structures called coronae which are located in the Southern Hemisphere, named Arden, Elsinore and Inverness. However, it wouldn't be easy to explore this mysterious landscape, as it is no place for life as we no it. In order to stand on Miranda the explorers would require a highly advanced suit, as Miranda's gravity is less than 1 percent of Earths, has no atmosphere and has a blisteringly cold average surface temperature of -187° C (-335 F). Miranda does not experience any weather but may experience bone shaking moon quakes or cryovolcanic eruptions that would cause ice magma to explode out of the deformed moons surface. Looking up the space explorers would see the darkness of space, with glistening stars flickering away in the distance and the other major moons of the Uranian system forming a visible disk in the sky. But if you were on the side of the Miranda facing Uranus, the mighty ice giant would look about 41 times larger than our own moon does here on Earth. Although the explorers might not want to hang around for be very long appreciating the beauty of Uranus, as the planets intense radiation would bombard the ugly moons surface. Miranda may hold many more secrets that are just waiting to be discovered, but we will just have to wait until NASA send another probe to the Uranian system to unlock the mysteries of Miranda.
Attributes -
Short clip of Verona Rupes - Wanderers - by Erik Wernquist
Images and Animations - NASA & ESA
Music - Martian Cowboy - Incompetech
Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0
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The Planet Uranus Song | Planet Songs for Children | Uranus Song for Kids | Silly School Songs

Learn all about Uranus with this fun and funky planet song for children. This Uranus song for kids is loaded with all kinds of cool facts about Uranus. Hope you enjoy it! For more info and music, visit http://sillyschoolsongs.com
Lyrics:
What is the seventh planet from the Sun? (Uranus!)
Discovered in 1781 (Uranus!)
It's a planet made of gas and ice (Uranus!)
And it rotates on its side (Uranus!)
Tilted at 98 degrees
This causes quite a bit of unique activity
When one of its poles faces the Sun
Just one of its days is 42 years long
Named for the Greek god of the sky
It's called an ice giant, and here's the reason why
Its temperature is negative 300 degrees
That's when ammonia in its clouds begins to freeze
U-R-A-N-U-S, Uranus a gas giant
U-R-A-N-U-S, Uranus the barrel planet
U-R-A-N-U-S, Uranus with 13 rings
U-R-A-N-U-S, Uranus they're barely seen
Its orbit takes 84 Earth years
Its color is blue from methane in its atmosphere
At 1.8 billion miles from the Sun
The outer solar system is the place it calls home
Its average day is 18 hours long
Its largest moons are Titania and Oberon
With 27 total moons circling about
There's much about Uranus we've yet to find out
What is the seventh planet from the Sun? (Uranus!)
Which one is ice giant number one? (Uranus!)
The most extreme seasons of them all (Uranus!)
And it rotates like a bowling ball! (Uranus!)
Copyright 2017 Silly School Songs. All Rights Reserved.
Photo Credits:
http://apod.nasa.gov
http://solarsystem.nasa.gov
http://voyager.jpl.nasa.gov
http://spaceplace.nasa.gov

Colonizing the Solar System, part 2: the Outer Solar System

This episode continues our team up with Fraser Cain to look at Colonizing the Solar System, we move from the inner solar system to the Asteroid Belt and beyond, all the way out to the Oort Cloud.
Part 1: The Inner Solar System, can be watched here:
https://www.youtube.com/watch?v=ALBMdY9-SZs
Article: "COULD WE TERRAFORM JUPITER?"
http://www.universetoday.com/121691/could-we-terraform-jupiter/
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Cover Art by Jakub Grygier: https://www.artstation.com/artist/jakub_grygier

Uranus May Have Two More Moons

In addition to the 27 we already know about, two more teeny moons might be lurking around Uranus. Astronomers Robert Chancia and Matthew Hedman, both at the University of Idaho in Moscow, report online that fluctuations in the density of two of the planet’s dark rings could be caused by unseen moonlets. The fluctuations were seen in radio data from the 1986 flyby of the Voyager 2 spacecraft.
the researchers report that both moons are probably just 4 to 14 kilometers wide making them very difficult to detect in Voyager 2 images. New observations with ground-based telescopes might have better luck.
https://www.sciencenews.org/blog/science-ticker/two-unseen-moons-may-circle-uranus
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This video was produced by YT Wochit News using http://wochit.com

Uranus May Have Two More Undiscovered Moons

Uranus May Have Two More Undiscovered Moons
We might have just discovered 2 dark moons hidden near Uranus
Researchers have re-examined data captured by the Voyager 2 spacecraft back in 1986, and think they've found evidence of two never-before-seen moons hidden in the rings of Uranus.
Uranus, the third largest planet in our Solar System, already has 27 moons that we know of - but these two new ones appear to orbit the planet more closely than any of its other natural satellites, and are causing wavy patterns in its closest rings.
Although Saturn is the most famous ringed planet orbiting our Sun, it's not the only one, with the three other gas giants - Jupiter, Uranus, and Neptune - all having their own ring systems.
But we haven't had much opportunity to study Uranus, seeing as it's almost 20 times further from the Sun than Earth is, and much of the information we have on it came from Voyager 2's flyby 30 years ago.
Now a duo of planetary scientists from the University of Idaho have re-examined this data to show that there's something strange going on in two of Uranus' 13 rings, called Alpha and Beta.
These rings display a previously unnoticed wavy pattern, suggesting that they're being pulled at by two tiny moons.
"These patterns may be wakes from small moonlets orbiting exterior to these rings," the researchers write in their paper on the pre-print site arXiv.org.
So why didn't Voyager 2 see these moons as it zipped past?
The researchers suggest these moons are so tiny, and also so dark, that they would have blended into the background for the spacecraft. Being "dark" means they barely reflect any light, as is the case with most of the moons in the area, and also Uranus's dark rings.

Welcome to Planets for Kids.
Hi everyone, today we are going to meet last planets - Uranus and Neptune.
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Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptun, Pluto are planets of our Solar System.
https://youtu.be/55QyRYLyov4

Uranus - Alltime Facts

It has the most hilarious name out any planet in our solar system, but there's more to Uranus 'dan dis'. It had plenty of rings surrounding it and is the 7th planet from the Sun. Learn all you need to know about your anus. *Cough" I mean Uranus.
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Why is Uranus on its Side? An Ancient Catastrophe of Planetary Proportions

The Earth’s tilt is nothing compared to Uranus, which has been flipped right over on its side. What could have caused such a devastating impact to the planet to make it this way?
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Music: Left Spine Down - “X-Ray”
https://www.youtube.com/watch?v=4tcoZNrSveE
It’s impossible to do an episode about Uranus without opening up the back door to a spit storm of potty humour. I get it, there’s something just hilarious about talking about your, mine and everyone’s anus. And even if you use the more sanitized and sterile term urine-us, it’s still pretty dirty, in an unwashed New York stairwell kind of way. You’re in us? No.
This is a no-win solution. It’s a Kobayashi Maru scenario here. We’re all doomed.
Can we call a truce? I dare you commentators, to keep the YouTube comments as pure and clean as driven snow, so we can focus on the super interesting science. Think of the children.
Let’s set the stage, I’m going to let planetary astronomer Kevin Grazier give you the proper pronunciation to clear our minds and let us move forward with grace and civility.
-----------
Kevin Grazier:
Strictly speaking, it's pronounced Youranous, is the pronunciation.
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As you probably know, Uranus… I mean Ouranus. No, I can’t do it, my brainwashing is too far along. Save yourselves!. Anyway, Uranus is the 7th planet from the Sun, and the 3rd largest planet in the Solar System. Jupiter and Saturn get all the spacecraft and Hubble space telescopes, but Uranus is an incredibly worthwhile target to visit.
It’s almost exactly 4 times larger than Earth and has its own set of strange dusty rings - perhaps left over from a shattered moon. It has at least 27 moons, that we know of, and many more interesting features that would fascinate astronomers, if we had a spacecraft there, which we don’t. Which is ridiculous. We’ve only made one close flyby of Uranus by Voyager II back in 1986.
We’ve seen Pluto up close, but there are no plans to visit Uranus? Madness.
Anyway, perhaps one of the strangest aspects of Uranus is its tilt. The planet is flipped over on its side, like a Weeble, that wouldn’t unwobble.
Actually, all the planets in the Solar System have some level of axial tilt. The Earth is tilted 23.5 degrees away from the Sun’s equator. Mars is 25 degrees, and even Mercury is 2.1 degrees tilted. These tilts are everywhere.
But Uranus is 97.8 degrees. That’s just 0.2 degrees shy of a 90s boy band.
You might be wondering, why have it be more than 90 degrees. High school geometry tells me that 97.8 degrees is the same as 82.2 degrees. And that’s true. But astronomers define the angle as greater than 90 degrees when you take its direction of rotation into account. When you describe it as turning in the same direction as the rest of the planets in the Solar System, then you have to measure it this way.
What could have done that to Uranus, how could it have happened?
The fact that Uranus is flipped over on its side tells us that the calm clockwork motion of the Solar System hasn’t always been this way. Shortly after the formation of the Sun and planets, our neighborhood was a violent place.
The early planets smashed into each other, pushed one another into new orbits. Some planets could have been spun out of the Solar System entirely, while others might have been driven into the Sun. Our own Moon was likely formed when a Mars-sized object crashed into the Earth. Other moons might have been captured from three body interactions between worlds.
It was mayhem.
The Solar System that you see today contains the survivors. Everything that wasn’t delivered a death blow.
And something really tried to deliver a death blow to Uranus, very early after it formed. We know this because the moons of Uranus orbit at the same tilt as the planet’s axis. This means that something smashed into Uranus while it was still surrounded by the disk of gas and dust that its moons formed from.
When the massive collision happened, the planet flipped over, wrenching this disk with it. The moons formed within this new configuration.
Astronomers think it was more complicated than that, however. If it was a single, massive collision, models suggest the planet would just flip over entirely, and end up rotating backwards from the other planets in the Solar System.

"From Earth to the Universe" — Uranus

An excerpt from "From Earth to the Universe" — the world’s first full-length fulldome planetarium movie freely available for planetarium use — shows an animation of the planet Uranus in high-resolution 4k fulldome format.
The full 30-minute voyage through time and space can be watched and downloaded here.
More information and download options: http://www.eso.org/public/videos/fettu-uranus1/
Credit:
T. Matsopoulos, NASA, ESO/S. Brunier

One day it will be an amazing scientific accomplishment when we colonize and bring life to a moon like Saturn's icy Enceladus.
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5. Triton
Photographs and data sent back from the Voyager 2 spacecraft back in August of 1989 showed that the surface of Triton, Neptune’s largest moon, was made up of nitrogen ice and rock. The suspicion of liquid water being hidden beneath the surface was raised. Even though the moon has an atmosphere, it would be pretty much the same as if it didn’t have one because of how thin it is. The average temperature on the moon is an unbelievable -391 degrees Fahrenheit, making it the coldest body in the entirety of our solar system.
4. Mimas
Also known as the “Death Star” moon and for good reason. Mimas is one of Saturn’s icy and rocky moons. Mimas might have an ocean located beneath its cold and unwelcoming -looking surface, which may possibly be better adapted for life. Close study of the Cassini footage by scientists shows that Mimas looks to rock back and forth as it went around on its orbit. This could imply activity underneath its surface. However, scientists were very wary with what they found, stating that there hadn’t been any other signs that point to geological activity. They merely stated that if an ocean was discovered, the moon could definitely be a candidate for being colonized. It’s believed that the theoretical ocean would be about 15 to 18 miles below the surface. If the rocking movement that supports this theory of an ocean proves to be false, then the movement is mostly likely because of a misshapen core due to the strong gravitational pull caused by Saturn’s rings
3. Callisto
Exactly the same size as the planet Mercury, Callisto is Jupiter’s second largest moon that looks like it has a large liquid ocean hidden within its icy surface. The surface of Callisto mainly made up of craters and what are basically fields of ice. Callisto also has a relatively thin atmosphere consisting of carbon dioxide. Research that already been performed has suggested that this atmosphere is being filled up again and again by carbon dioxide that is released from below the surface because it is too thin to stay in place. Collected data implies the chance that oxygen could also be actively present inside of the atmosphere, but there would need to be further tests to confirm if this theory holds true. Callisto is positioned in a safe enough space from Jupiter that the giant planet’s radiation levels would be very mild.
2. Ganymede
Ganymede happens to be Jupiter’s largest moon and like other masses, in our solar system, it could potentially prove to have water trapped underneath its surface. If you were to compare it to other ice-covered moons, Ganymede’s surface is believed to be relatively thin and should be much easier to break through. This moon also happens to be the only moon with its own gravitational field that creates its own auroras, like the ones that are produced here on earth. Their pattern in movement also leads scientists to theorize there is an ocean trapped underneath the surface. Because of Ganymede’s thin oxygen atmosphere, it is too thin to support our life but maybe enough to support terraforming. Back in 2012, the European Space Agency got the okay to go ahead and launch a mission to go and explore Ganymede and two other of Jupiter’s moons, Europa and Callisto. The operation is scheduled to launch in 2022 and reach the moon 10 years later. Out of the three moons to be explored, scientists believe that Ganymede will have the best environment to study and potentially support life, if possible.
1. The Moon
The first moon that mankind would colonate would, of course, be the earth’s very own moon. It’s been described as a good “dress rehearsal” for potential colonization missions in the future because of how close it is to earth compared to all the other moons. Earlier in March of this year, there was a story that was going around that this type of operation could be carried out within the next 10 years or so. NASA astrobiologist Chris McKay is one of the individuals whose onboard with making this mission come to fruition. His opinion is that other missions to the moon have failed because of the high cost, but his team has a plan that requires little compared to previous missions. Although NASA’s current focus is to get humans to land on Mars, McKay says that that won’t come to light until they can first get to the moon and set up permanent bases there first.

Everything you could want to know about the 7th planet from the Sun: Uranus. Includes real images taken from Voyager 2 in 1986, and from the Hubble Space Telescope.
This video has been a long time coming, and I'm sorry it's taken a year for this episode in the series. I have been dreading making this video, as I knew there wasn't a lot of real imagery of the planet and I wondered how I was going to show what I was explaining. Thankfully, using Space Engine and Universe Sandbox2 has been incredibly helpful, although as a result I probably put the most hours into this video than any other I have made so far. I'm really happy with how it turned out though and I hope you did too.
We discuss the orbit, physical characteristics, atmosphere and magnetosphere and a lot more. Have any questions? Post in the comments. If you did find this video interesting, please share it as it will help me be able to make more of these in the future.
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Why is Uranus on its Side? Facts about Uranus' Peculiar Axial Tilt

Facts about what Makes Uranus' axial tilt so unusual. This was a university project I completed that I thought I would share with you. Uranus has a very unusual axial tilt and I thought it would be a good topic for a short five minute documentary. Michael Brightmore from the Cleethorpes Astronomical Society helped explain why.
Check out their website here: http://www.cleethorpesastronomy.org.uk/
If you liked this video please let me know, I will be doing a proper Uranus video as part of the 'Our Solar System's Planets' too in the not too distant future!

Solar System - Song on Planet Uranus in Ultra HD (4K)

Another gas giant! This one was discovered by William Herschel. It was the first planet discovered with a telescope! All others were known to us through stargazing. Watch this rhyme to learn all the facts about this planet.
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10 Interesting Facts about Uranus

From its planetary rings to the clear lack of exploration, we countdown10 Interesting Facts about… the planet!
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Top 10 Interesting Facts about Uranus:
#10 The planet cannot be seen with the unaided eye.
#9 The first nine rings of Uranus were discovered in 1977 by astronomers by sheer luck.
#8 Instead of being centrally focused, it is lopsided. It is tilted 59 degrees away from the planet's spin axis of rotation.
#7 Uranus has 27 confirmed moons. Out of 27, only five moons are large in size.
#6 The electric blue and green hues come from the high quantity of Methane in its atmosphere.
#5 Till now, it has been explored only through telescopes and NASA's Voyager 2 spacecraft sent in 1986.
#4 Because Pluto has been kicked out from the solar system, it has become the coldest planet in the entire solar system even though it is not the farthest from the sun.
#3 Like other gas giants, its upper layer has high concentration of hydrogen and helium. However, its rocky core of iron is surrounded by a mantle of ice.
#2 A day on Uranus is equal to 17 Earth hours. On the other hand, one year on Uranus is equal to 84 Earth years!
#1The nearest Uranus can ever get to Earth is 2.57 billion km.
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Welcome to Top10Archive! By now, hopefully the childish giggling has died down enough for you to pay close attention. From its 27 moons, to being labeled the "most boring planet", Uranus seems to never grab any media attention, but that doesn't mean it should be left off of our radar. Okay… we’ll give you a moment to chuckle, but then we’re launching you into 10 facts about Uranus... the planet.
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10. The Discovery of Uranus
9. Uranus Was Not Seen by Ancient Civilizations
8. Naming Uranus
7. The 27 Moons of Uranus
6. Uranus’ Largest Moon
5. Uranus has Rings
4. An 84-Year Orbital Period
3. A Hefty Tilt
2. Uranus has Unusual Weather
1. “The Most Boring Planet”
References:
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https://www.youtube.com/watch?v=HbU8Kbjbn_Y
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https://www.youtube.com/watch?v=P8UcDnBhCkw
https://www.youtube.com/watch?v=HrTQKgLGlKw
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Moons of Uranus - Video Learning - WizScience.com

Uranus, the seventh planet of the Solar System, has 27 known moons, all of which are named after characters from the works of William Shakespeare and Alexander Pope. William Herschel discovered the first two moons, Titania and Oberon, in 1787, and the other three ellipsoidal moons were discovered in 1851 by William Lassell and in 1948 by Gerard Kuiper . These five have planetary mass, and so would be considered planets if they were in direct orbit about the Sun. The remaining moons were discovered after 1985, either during the "Voyager 2" flyby mission or with the aid of advanced Earth-based telescopes.
Uranian moons are divided into three groups: thirteen inner moons, five major moons, and nine irregular moons. The inner moons are small dark bodies that share common properties and origins with the planet's rings. The five major moons are massive enough to have achieved hydrostatic equilibrium, and four of them show signs of internally driven processes such as canyon formation and volcanism on their surfaces. The largest of these five, Titania, is 1,578 km in diameter and the eighth-largest moon in the Solar System, and about one-twentieth the mass of the Moon. Uranus's irregular moons have elliptical and strongly inclined orbits at great distances from the planet.
The first two moons to be discovered were Titania and Oberon which were spotted by Sir William Herschel on January 11, 1787, six years after he had discovered the planet itself. Later, Herschel thought he had discovered up to six moons and perhaps even a ring. For nearly 50 years, Herschel's instrument was the only one with which the moons had been seen. In the 1840s, better instruments and a more favorable position of Uranus in the sky led to sporadic indications of satellites additional to Titania and Oberon. Eventually, the next two moons, Ariel and Umbriel, were discovered by William Lassell in 1851. The Roman numbering scheme of Uranus's moons was in a state of flux for a considerable time, and publications hesitated between Herschel's designations and William Lassell's . With the confirmation of Ariel and Umbriel, Lassell numbered the moons I through IV from Uranus outward, and this finally stuck. In 1852, Herschel's son John Herschel gave the four then-known moons their names.
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Exploring Uranus and Neptune

Join SciShow Space as we complete our tour of the Solar System planets with the ice giants, Uranus and Neptune.
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http://astronomy.nmsu.edu/tharriso/ast105/UranusandNeptune.html
http://news.discovery.com/space/astronomy/jet-streams-on-the-ice-giants-13052.htm
http://www.universetoday.com/22076/uranus-and-neptune/
http://www.space.com/18922-neptune-atmosphere.html
http://www.space.com/18708-uranus-atmosphere.html
http://www.space.com/13248-nasa-uranus-missions-solar-system.html
http://www.space.com/18921-neptune-temperature.html

Six planets were known to the ancients: Mercury, Venus, Earth, Mars, Jupiter, and Saturn. It wasn't until 1781, during the Age of Enlightenment, that Uranus was discovered.
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Project Voyager: to the Giant Planets

"Project Voyager: to the Giant Planets" goes through the Voyager spacecrafts' encounters with Jupiter and Saturn with some stunning vintage animation. Enjoy!
And for more on planetary flybys, check out my latest article over on Vintage Space: http://www.popsci.com/how-do-planetary-flybys-work
Thanks to Jonathon Smith for finding this video and JPL for allowing me to post it. Fantastic, eh?
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Giant Exo-Uranus Discovered!

Last week, it was announced that a giant exoplanet was discovered! What makes this planet so unique? Amy explains.
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‘Exo-Uranus’ Discovered Around Distant Star
http://news.discovery.com/space/alien-life-exoplanets/exo-uranus-discovered-around-distant-star-141015.htm
“For the first time, astronomers have announced the discovery of an exoplanet that they believe could resemble our solar system’s ‘ice giants’ Uranus or Neptune.”
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Which Planets Have Rings?

You think only Saturn has rings? Well, think again. Rings are actually extremely common in our Solar System - they're all over the place. So which planets - and other objects - sport rings?

Uranus - The Solar System - Animation Educational Videos For Kids

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The Solar System consists of the Sun and those celestial objects bound to it by gravity, all of which were formed from the collapse of a giant molecular cloud approximately 4.6 billion years ago. Of the many objects that orbit the Sun, most of the mass is contained within eight relatively solitary planets whose orbits are almost circular and lie within a nearly flat disc called the ecliptic plane. The four outer planets, the gas giants, are substantially more massive than the terrestrials. The two largest, Jupiter and Saturn, are composed mainly of hydrogen and helium; the two outermost planets, Uranus and Neptune, are composed largely of ices, such as water, ammonia and methane, and are often referred to separately as "ice giants".
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COOL URANUS (Planets #23)

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Without glasses, Uranus becomes a whole lot cooler.
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Planet Uranus through a Telescope

Uranus is the 7th planet from the Sun, orbiting at an average distance 2.9 billion km (1.8 billion miles) away from the Sun, taking 84 years to complete one orbit. It is the third largest planet in the solar system by diameter, being approximately four times larger than the Earth, however Neptune has a larger mass.
Uranus was discovered in 1781 by William Herschel, however it will have been seen many times before this date, as under ideal conditions it is just visible to the naked eye. Due to its faintness and slow motion it was not recognised as a planet. Indeed John Flamteed catalogued Uranus as a star "34 Tauri" in his star atlas of 1690.
Uranus is an easy object to observe in binoculars, and in a small telescope it clearly is seen as a reasonably bright small blue-green featureless disc. There is a faint ring system, but a very large professional telescope is required to see these.
In larger amateur telescopes, the five largest moons of Uranus can be seen. These are named after characters from Shakespeare or Pope plays: Oberon, Titania, Ariel, Umbriel and Miranda. All of these are quite a bit smaller than Earth's Moon. Of note is that the entire planet is on its side, and all of the Moons orbit in a very highly inclined plane compared to the orbit of Uranus around the Sun. Perhaps this resulted from a major collision early in the life of the Solar System?
In this video, I've first taken video camera footage of Uranus through the eyepiece of my LX-90 telescope. Then I've taken a series of CCD camera images which are able to photograph much fainter objects. In it we can see the two largest moons of Uranus: Oberon and Titania, although the planet itself is over-exposed. Unfortunately, the remaining moons were too close to the planet to see clearly over the glare.
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A Brief History of Voyager 1 and Voyager 2

The Voyager 1 spacecraft, after a 36-year journey, has been announced by NASA's Jet Propulsion Laboratory to have officially left the solar system and has become the first human-made object to reach interstellar space.
Here is a brief history of the Voyager program, from its launch, exploration of the outer solar system and its exodus into interstellar space and how scientists at NASA were able to use Voyager 1 and 2 to discover enormous knowledge about the solar system and beyond. The fact that these spacecraft are still functioning after 35 years is a testament to the skill and ingenuity of the engineers and scientists who worked on the program.

Outer Planets

Pioneers 10 & 11
The Pioneer program was a series of United States unmanned space missions that were designed for planetary exploration. There were a number of such missions in the program, but the most notable were Pioneer 10 and Pioneer 11, which explored the outer planets and left the solar system. Each carries a golden plaque, depicting a man and a woman and information about the origin and the creators of the probes, should any extraterrestrials find them someday.
Voyager
The Voyager 1 spacecraft is a 722 kg space probe launched by NASA on September 5, 1977 to study the outer Solar System and interstellar medium. Operating for 35 years, the spacecraft receives routine commands and transmits data back to the Deep Space Network. At a distance of about 125 AU it is the farthest man-made object from Earth and is currently traveling in a previously unknown region of space. It is still unclear whether this region is part of interstellar space or an area within the Solar System. As of 24 May 2013, the probe was moving with a velocity of 17.039 km/second. As part of the Voyager program, and like its sister craft Voyager 2, the spacecraft is in extended mission, tasked with locating and studying the boundaries of the Solar System, including the Kuiper belt, the heliosphere and interstellar space. The primary mission ended on November 20, 1980, after encountering the Jovian system in 1979 and the Saturnian system in 1980. It was the first probe to provide detailed images of the two largest planets and their moons.
Galileo
Galileo was an unmanned NASA spacecraft which studied the planet Jupiter and its moons, as well as several other solar system bodies. Named after the astronomer Galileo Galilei, it consisted of an orbiter and entry probe. It was launched on October 18, 1989, carried by Space Shuttle Atlantis, on the STS-34 mission. Galileo arrived at Jupiter on December 7, 1995, after gravitational assist flybys of Venus and Earth, and became the first spacecraft to orbit Jupiter. It launched the first probe into Jupiter, directly measuring its atmosphere. Despite suffering major antenna problems, Galileo achieved the first asteroid flyby, of 951 Gaspra, and discovered the first asteroid moon, Dactyl, around 243 Ida. In 1994, Galileo observed Comet Shoemaker--Levy 9's collision with Jupiter.
Cassini-Huygens
Cassini-Huygens is one of the most ambitious missions ever launched into space. Loaded with an array of powerful instruments and cameras, the spacecraft is capable of taking accurate measurements and detailed images in a variety of atmospheric conditions and light spectra. Two elements comprise the spacecraft: The Cassini orbiter and the Huygens probe. In 2004, Cassini-Huygens reached Saturn and its moons. There the spacecraft began orbiting the system in July 2004, beaming home valuable data that will help us understand the vast Saturnian region. Huygens entered the murky atmosphere of Titan, Saturn's biggest moon, and descended via parachute onto its surface.
New Horizons
New Horizons is a NASA robotic spacecraft mission currently en route to the dwarf planet Pluto. It is expected to be the first spacecraft to fly by and study Pluto and its moons, Charon, Nix, Hydra, Kerberos, and Styx, with an estimated arrival date at the Pluto--Charon system of 14 July 2015. NASA may then also attempt flybys of one or more other Kuiper belt objects, if a suitable target can be located. New Horizons was launched on 19 January 2006, directly into an Earth-and-solar-escape trajectory with an Earth-relative velocity of about 16.26 km/s after its last engine was shut down. Thus, the spacecraft left Earth at the greatest-ever launch speed for a man-made object. It flew by the orbit of Mars on 7 April 2006, Jupiter on 28 February 2007, the orbit of Saturn on 8 June 2008; and the orbit of Uranus on 18 March 2011. As of 29 June 2013, its distance to Pluto is about 5.94 AU, with radio signals taking about 3.55 hours to travel to the spacecraft from Earth.

What you happen if you free-fall into the planet Uranus?

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What would your journey look like form beginning to end?
Cool Videos about Uranus:
CGPGrey: http://youtu.be/h3ppbbYXMxE
Space School: http://youtu.be/G7f1nuwRq_E
KurdstanPlanetarium: http://youtu.be/-ElXNcGxNMo
Well, you'd start out 50,000 km from the surface where you free fall for a long time. Black rocks form Uranus' rings would whiz past you. You then enter layers of gas and... die because your space suit can't take all that pressure. Well then I'd have to put you in a submarine and see how far you can go.

Planet Uranus

NASA video documentary on the Voyager II mission to Uranus circa 1986

Best of 2013: Planets & Stars Size Comparison

Comparison of planets in our Solar System, and our Sun and stars throughout the universe.
NOTE: The scaling is not accurate in this video, and the last two stars are fake. Don't complain about it in the comments, just watch my new three part series that has no errors. Links are listed below.
Part 1: https://www.youtube.com/watch?v=0VJgN3UGyF8&t=3s
Part 2: https://www.youtube.com/watch?v=xXHp9U5I-xo&t=2s
Part 3: https://www.youtube.com/watch?v=sh_t645ntOs&t=1s

Voyager Journey to the Stars

Cosmic Journeys examines the great promise of the Voyager mission and where it will lead us in our grand ambition to move out beyond our home planet. The two Voyager spacecraft are part of an ancient quest to push beyond our boundaries... to see what lies beyond the horizon. Now tens of billions of kilometers from Earth, two spacecraft are streaking out into the void. What will we learn about the Galaxy, the Universe, and ourselves from Voyager's epic Journey to the stars?
December 19, 1972... the splashdown of the Apollo 17 crew capsule marked the end of the golden age of manned spaceflight. The Mercury.... Gemini... and Apollo programs had proven that we could send people into space... To orbit the Earth.... Fly out beyond our planet... Then land on the moon and walk among its ancient crater.
The collective will to send people beyond our planet faded in times of economic uncertainty, war, and shifting priorities. And yet, just five years after Apollo ended, scientists launched a new vision that was just as profound and even more far-reaching.
It didn't all go smoothly. Early computer problems threatened to doom Voyager 2. Then its radio receiver failed, forcing engineers to use a back up. Now, after more than three and a half decades of successful operations, the twin spacecraft are sending back information on their flight into interstellar space. Along the way, they have revealed a solar system rich beyond our imagining.
The journey was made possible by a rare alignment of the planets, a configuration that occurs only once every 176 years. That enabled the craft to go from planet to planet, accelerating as they entered the gravitational field of one, then flying out to the next. The Voyagers carried a battery of scientific equipment to collect data on the unknown worlds in their path. That included a pair of vidicom cameras, and a data transfer rate slower than a dialup modem.

What is Uranus?

Hi I'm Emerald Robinson. In this "What Is" video we're going to explore the odd world of Uranus.
Uranus was named after the Greek god of the sky after its discovery in 1781. It's the seventh Planet from the Sun, making it one of the outer planets in the solar system. Uranus also has 13 very faint dark rings ... and 27 moons, most of which are named for Shakespearean characters.
Uranus' diameter is 31,000 miles, almost four times that of Earth. Despite the size difference, Uranus' gravity is only eighty six percent as strong. A person weighing 100 lbs. on Earth would weigh just 89 lbs. on Uranus.
The atmosphere on Uranus is mostly hydrogen and helium, with a small amount of methane and traces of water and ammonia. Sunlight passes through the atmosphere and is reflected back out by Uranus' cloud tops. The methane gas absorbs the red portion of the light, giving it its blue-green color.
Like the other planets, Uranus has an elliptical orbit. On average, it is 1.8 billion miles from the sun, and takes 84 Earth years to complete one orbit. Uranus is unique among the planets because its axis lies nearly level with its path around the sun, causing it to appear to be rotating on its side. A day on Uranus takes a little over 17 Earth hours.
One theory for Uranus' unique orientation is that a powerful collision with another celestial body knocked it off its original axis sometime during the formation of the universe. This, along with its 84 year long orbit, causes Uranus' seasons to last over twenty years. The tilted axis also means its north and south poles alternate between direct sunlight or complete darkness every 42 years!
The upper atmosphere of Uranus is the coldest in the Solar System, with a minimum temperature of -371 degrees F. And the wind speeds on Uranus can reach an astounding 560 miles per hour!
Side-winding Uranus is the coldest planet in our solar system, even though it's not the furthest away from the Sun. That honor goes to... Neptune.

Watch the talented Reggie Watts perform at the Exploratorium August 9th, 2012. Reggie was at the Exploratorium for an Osher Fellowship, and he graciously joined us at the end of a live webcast on Mars to share a little of his own feelings about the red planet!

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